Table 1.

Physico-chemical parameters of Alpinia calcarata rhizomes

Physico-chemical parameters	% Amount (dry weight basis)
Moisture content	5.5–6.8
Total ash	8.3–8.8
Acid insoluble ash	0.036–0.040
Water soluble ash	7.2–7.8
Ethanol extractable matter	22.6–24.8
Water extractable matter	18.6–20.5